When an absurdly large amount of bros gather in a common location to partake in bro-like activities, such as: wearing Affliction t-shirts, showing off one's Nautilus tattoo, driving one's raised Ford Truck 350 with a flame paint job, sporting black sunglasses outside at 8pm, threatening to "punch out that little bitch" at a nearby bar, and generally making a mockery of well-accepted human mores and ethics.
"Dude, a surfing competition and a UFC PPV on the same day IN downtown Huntington Beach?! That's friggin' Brosanity!"
Someone who jumps from one relationship immediately into another one.
Serial monogamists can not stand to be alone and often suffer from vast commitment and insecurity issues.
Because they jump into relationships immediately after the previous one has ended, serial monogamists typically don't take the time to reflect on their behavior or why their previous relationships failed; thus, they end up making the same relationship mistakes over and over again.
Person 1: Damn, Dustin already has a new girlfriend?! It's only been two weeks since he broke up with his fiance! I think he's a sociopath.